Emissions of nitrogen oxides (NOx) must be controlled through the implementation of Reasonably Available Control Technology (RACT) regulations in ozone nonattainment areas that are classified as "moderate" or higher. Wisconsin RACT requirements that…
The Wisconsin Department of Natural Resources (DNR) and the U.S. Environmental Protection Agency (EPA) today announced the Rhinelander area will be formally redesignated to attainment of the most recent federal air quality standard for sulfur dioxide.
This is a public hearing for the Proposed Redesignation Request and Maintenance Plan for the Door County-Revised, Wisconsin 2015 Ozone Nonattainment Area.
This is a preliminary public hearing on Statement of Scope SS 064-21 (Board Order AM-05-21) relating to revisions to nitrogen oxide (NOx) emissions regulations in ch. NR 428., Wis. Adm. Code.
This is a public hearing for the Proposed Redesignation Request and Maintenance Plan for the Kenosha County, Wisconsin Portion of the Chicago-Naperville (IL-IN-WI) 2008 Ozone Nonattainment Area.
The Wisconsin Department of Natural Resources (DNR) today announced the newly released 2021 Wisconsin Air Quality Trends report shows Wisconsin’s air quality continues to improve, building on a nearly 20-year trend.